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nVent MB252502PCCTK - MultiBox Trnsp Scr Cvr with Knockouts Type 4X, 2.55x2.55x2.25, Lt Gray, Polycarbonate, PCCTK

nVent MB252502PCCTK MultiBox Trnsp Scr Cvr with Knockouts Type 4X, 2.55x2.55x2.25, Lt Gray, Polycarbonate…

UPC: 635394601115


Documents & Media
Installation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent MultiBox Transparent Screw Cover (SKU: MB252502PCCTK) is a high-performance, corrosion-resistant enclosure designed for demanding industrial environments where visibility and protection are critical. Engineered by nVent, a global leader in electrical and thermal management solutions, this MultiBox series enclosure features a lightweight yet durable polycarbonate construction with a clear transparent cover, enabling easy inspection of internal components without compromising protection. The Type 4X rating ensures superior resistance to corrosion, dust, and water ingress, making it ideal for harsh outdoor and indoor applications where reliability is non-negotiable. This enclosure is specifically designed for use as an electrical junction box or instrumentation enclosure in highly corrosive environments, such as chemical processing plants, water treatment facilities, marine applications, and food and beverage processing. The transparent cover allows for quick visual verification of wiring, connections, and component status, reducing maintenance time and enhancing operational efficiency. The integrated knockouts provide flexibility for cable entry and exit, accommodating various conduit sizes and configurations to suit diverse installation requirements. Constructed from halogen-free polycarbonate, the MultiBox Transparent Screw Cover offers exceptional UV resistance, ensuring long-term performance in outdoor settings exposed to direct sunlight. The material is self-extinguishing (UL746C 5V compliant) and maintains structural integrity across a wide temperature range from -40°C to +80°C. The integrated polyurethane gasket in the cover ensures an IP66/IP67 seal, providing robust protection against dust, water jets, and temporary immersion, while the IK08 impact resistance rating guarantees durability in rugged conditions. nVent’s MultiBox series is trusted by professionals in industries such as oil and gas, utilities, manufacturing, and telecommunications, where safety, reliability, and compliance with international standards are paramount. The enclosure meets CE and GOST certifications, and for North American markets, it is suitable for cULus listed applications (contact sales for details). The lightweight design simplifies handling and installation, while the stainless steel cover screws and polyamide mounting hardware ensure corrosion resistance and longevity. Whether used in control panels, sensor housings, or junction boxes, the nVent MultiBox Transparent Screw Cover delivers unmatched visibility, protection, and peace of mind in even the most challenging environments.
  • Type 4X rated for superior corrosion, dust, and water resistance
  • Clear polycarbonate cover enables visual inspection without opening
  • Integrated knockouts for flexible cable entry and conduit routing
  • UV-resistant and self-extinguishing polycarbonate construction
  • IP66/IP67 and IK08 rated for extreme durability and protection
  • Continuous gaskets made of polyurethane foam guarantee optimal integrity
  • All enclosures can be easily modified to customer specifications

Specifications

Application
Controls and Drives; Corrosive Environments
Color
Light Gray
Finish
Smooth Matte
Material
Polycarbonate
Nema Rating
Type 4X
Series
MultiBox
Size
2.55x2.55x2.25 in
Type
Fiberglass and Thermoplastic Wall Mounted Industrial Enclosures
Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum

14A0705

Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum
Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.

BX4

Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.
Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco

36297702

Locking using CASTELL K key operated lock (not supplied) Fuserbloc Sirco
External operation handle 0-1 type S01 Red Nema 4,4x

140E2911

External operation handle 0-1 type S01 Red Nema 4,4x
1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey

LT20D-NEW

1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN43DA

1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black

LH38

Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black
EP-RJG-M20-BL-A

1SNG618003R0000

EP-RJG-M20-BL-A
5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

FF12D24NN53

5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55
12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

FF20A115UE1

12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

How to Install the MB252502PCCTK Multibox Enclosure

Installation guide for mounting and wiring the MB252502PCCTK Multibox series enclosure.

Estimated time: 30m

Tools needed:

Screwdriver, Drill (if mounting holes are needed), Wire strippers, Pliers

Supplies needed:

Mounting screws, Wire connectors, Gasket (if not pre-installed), Cable glands (if needed)

  1. Select Mounting Location

    Choose a suitable location for the MB252502PCCTK enclosure. Ensure the environment is appropriate for the enclosure's NEMA/IP rating and temperature range. Refer to the datasheet for specific environmental considerations.

  2. Prepare the Enclosure

    If using an enclosure with knockouts (e.g., PCK, PSK, PCCTK, PSCTK series), select the appropriate knockout locations for cable entry. Remove knockouts using pliers or a suitable tool. If no knockouts are present, plan for drilling mounting holes. For enclosures without knockouts, drill mounting holes as needed, ensuring they do not compromise the enclosure's integrity or gasket seal.

  3. Mount the Enclosure

    Securely mount the MB252502PCCTK enclosure to the desired surface using appropriate mounting screws. Ensure the enclosure is level and firmly attached. If using a back plate, mount it first according to its specific instructions.

  4. Install Cable Glands (if applicable)

    If using cable glands, install them into the prepared knockout holes or drilled openings. Ensure a tight seal to maintain the enclosure's environmental rating.

  5. Route Wiring

    Feed the necessary electrical wires through the installed cable glands or openings into the enclosure. Ensure proper strain relief is applied to the cables.

  6. Make Electrical Connections

    Connect the internal wiring according to your system's requirements. Use appropriate wire connectors and ensure all connections are secure and insulated. Refer to any internal diagrams or external datasheets for specific wiring configurations.

  7. Close and Secure the Enclosure

    Carefully close the enclosure cover, ensuring the gasket is properly seated to maintain a watertight and dust-tight seal. Secure the cover using the provided non-metallic corner screws. Tighten screws evenly.

  8. Final Inspection

    Visually inspect the installed enclosure to ensure all seals are intact and all connections are secure. Verify that the enclosure is properly mounted and all openings are sealed.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.